Although the Lord of the Universe had learned about Ling Tian and the others from the cultivators he had captured, he still knew only part of the story and could very well be misled by their true methods. To be safe, Ling Tian and the others decided to study some other powerful cultivation arts and secret techniques. They had also figured out how to obtain them: from the major super sects and the cultivators who followed them. Given the current situation, getting cultivation arts and secret techniques through these channels wouldn't be too difficult.
As it turned out, they soon acquired several powerful cultivation arts and secret techniques from the major super sects and their followers. Some were even no weaker than Phantom Combo. However, none of these techniques could improve Ling Tian and the others as much as Great Thousand Worlds could. Even if they mastered them, they wouldn't help much when they faced the Lord of the Universe in the future. So, rather than begin cultivating them right away, they had some cultivators sort through the techniques and see whether they could create something even stronger and better suited to their needs.
Ling Tian was naturally one of those studying the techniques. But he had a more important task at the moment: raising his strength and cultivation level as much as possible, especially his mastery of Externalized Small World and the size of his Small World. He also needed to keep cultivating and comprehending powerful archery techniques. After all, these were the most important tools he would have when he eventually faced off against the Lord of the Universe.
After hearing from the third group of cultivators that their friends and family were doing fairly well, they felt reassured. In particular, the others had now confirmed Ling Tian's